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Sea level rise in the north-western part of the Arabian Gulf

机译:阿拉伯湾西北部的海平面上升

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摘要

Relative sea level variations in the north-western part of the Arabian Gulf have been estimated in the past using no more than 10 to 15 years of observations. In this study, we have almost doubled the period to 28.7 years by examining all available tide gauge data in the area and constructing a mean gauge time-series from seven coastal tide gauges. We found for the period 1979-2007 a relative sea level rise of 2.2 ± 0.5 mm/year. Using the subsidence observed at 6 GPS stations within a radius of 100 km of the tide gauges as an indication of the vertical land motion, the corresponding absolute sea level rise is 1.5 ± 0.8 mm/year that is in agreement with the global estimate of 1.9 ± 0.1 mm/year (Church and White, 2011) for the same studied period. By taking into account the temporal correlations we conclude that previous published results underestimate the true sea level rate uncertainty in this area by a factor of 5-10.
机译:过去,使用不超过10到15年的观测值,估计了阿拉伯湾西北部的相对海平面变化。在这项研究中,我们通过检查该地区所有可用的潮汐仪数据并根据七个沿海潮汐仪构建了一个平均量规时间序列,将这一时期几乎翻了一番,达到28.7年。我们发现,1979年至2007年期间,相对海平面上升了2.2±0.5毫米/年。用潮汐仪半径100 km内的6个GPS站观测到的沉降作为垂直陆地运动的指标,相应的绝对海平面上升为1.5±0.8 mm /年,与全球1.9的估计一致在同一研究时期内,每年±0.1毫米(Church和White,2011年)。通过考虑时间相关性,我们得出的结论是,先前发表的结果低估了该地区真实海平面速率的不确定性5-10倍。

著录项

  • 来源
    《Journal of geodynamics》 |2014年第11期|105-110|共6页
  • 作者单位

    King Abdulaziz City for Science and Technology, Space and Aviation Research Institute, P.O. Box 36484, Riyadh 11419, Saudi Arabia;

    University of Beira Interior, Instituto D. Luis, R. Marques d'Avila e Boloma, 6201-001 Covilha, Portugal;

    University of Beira Interior, Instituto D. Luis, R. Marques d'Avila e Boloma, 6201-001 Covilha, Portugal;

    Middle East Technical University, Earthquake Studies Department, Ankara, Turkey;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Sea level change; Arabian Gulf; GNSS;

    机译:海平面变化;阿拉伯海湾;全球导航卫星系统;

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